EP0555196A1 - Chirurgisches Skalpel mit einziehbarem Messerschutz - Google Patents
Chirurgisches Skalpel mit einziehbarem Messerschutz Download PDFInfo
- Publication number
- EP0555196A1 EP0555196A1 EP93870010A EP93870010A EP0555196A1 EP 0555196 A1 EP0555196 A1 EP 0555196A1 EP 93870010 A EP93870010 A EP 93870010A EP 93870010 A EP93870010 A EP 93870010A EP 0555196 A1 EP0555196 A1 EP 0555196A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- guard
- handle
- detent
- scalpel
- blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
- A61B17/3213—Surgical scalpels, knives; Accessories therefor with detachable blades
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
- A61B17/3217—Devices for removing or collecting used scalpel blades
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
- A61B2017/32113—Surgical scalpels, knives; Accessories therefor with extendable or retractable guard or blade
Definitions
- the present invention relates to a surgical scalpel and, in particular, to a surgical scalpel having a retractable blade guard to protect against inadvertent nicks or cuts during a surgical procedure in an operating room.
- Scalpels are regularly used by surgeons and other health care professionals for making incisions during an operating procedure.
- the operating room assistant (which may be a nurse, technician or another doctor) "slaps" the scalpel into the surgeon's hand in a predetermined orientation, so that the surgeon can "feel” the scalpel and automatically grip its handle without taking his or her eyes away from the patient or the instrumentation. If the predetermined orientation is not closely followed, the nurse's or surgeon's, hand may be cut or nicked. The same hazard may be encountered when the surgeon transfers the scalpel back to the assistant.
- guarded scalpels In order to solve this problem, the prior art has disclosed guarded scalpels. Examples are U.S.A patents nos. 3,906,626 and 5,071,426 and German Of- fenlegungsschrift DE 37 22 899 A1. However, and for various reasons, these guarded scalpels are not completely satisfactory; hence are not in current widespread use in hospitals and clinics.
- the present invention provides a guarded scalpel for general surgery, wherein the blade guard may be retracted and advanced, alternately, and in a one-hand operation without taking one's eye away from the patient or the instrumentation.
- the recipient will know intuitively from the "feel" of the guarded scalpel itself that, first, the guard has been advanced to cover the blade and, second, the relative orientation of the guarded scalpel itself, that it, whether the cutting edge on the covered blade is "up or "down”.
- the guard closely follows the slim-line contours of the scalpel handle, so that the guard is not cumbersome or obtrusive; rather, the guarded scalpel has a good "feel" and balance, is comfortable to use, and does not distract the surgeon nor interface with his or her concentration.
- a two-position resiliently-biased detent means provides an auditory "click", signalling that the guard has been moved into an alternate position, and precluding an inadvertent and undesirable movement of the guard during transfer or use of the guarded scalpel.
- This detent means may be manually released --- in a one-hand movement without taking one's eyes off the patient or the instrumentation --for movement of the guard into an alternate position.
- the detent means includes a resiliently-biased detent member carried by the handle, disposed substantially within the vertical longitudinal center plane thereof, and projecting above the handle for convenient manual manipulation.
- the detent member has a limited movementwith respect to the handle about an axis which is substantially perpendicular to the longitudinal axis of the guard, thereby minimizing the external contours of the guarded scalpel.
- a stop means is provided between the guard and the handle, and this stop means is independent of the detent means.
- the guard further has a bottom wall provided with a cut-out, such that the relative orientation of the guarded scalpel is readily appreciated by the recipient without taking his or her eyes away from the patient, and such that the projecting portion of the detent member may be depressed to release the detent means while the cutout on the bottom wall of the guard may be engaged to retract or advance the guard --- all in a one-handed operation.
- the present invention thus substantially reduces the risk of the surgeon, nurse or assistant inadvertently acquiring (or transmitting) an infectious disease, such as HIV or HBV, in the operating room or similar medical environment.
- the guarded scalpel 10 of the present invention has a unique guard 11 for the blade 12.
- the blade 12 is conventional and is removably mounted on the scalpel 10 (as hereinafter described).
- the scalpel 10 may be passed from the nurse to the surgeon in an guarded position (Fig. 3A) to prevent the nurse from being cut. Thereafter, the surgeon may retract the guard 11 in a one-handed movement (Fig. 3B) to expose the blade 12. After making one or more incisions, the surgeon may advance the guard (Fig. 3C) --- again, in a one-handed movement and without taking his or her eyes away from the patient or the instrumentation in the O.R. --- and pass the scalpel 10 back to the nurse (Fig. 3D). The risk of getting cut has been substantially reduced, if not eliminated altogether.
- guarded scalpels 10 may be passed back and forth in the O.R. during a lengthy procedure on a patient.
- the guard 11 is substantially U-shaped and closely conforms to the outer contours of the scalpel 10.
- the guard 11 includes parallel side walls 13 and 14, a bottom wall 15, and a top portion 16.
- the top portion 16 includes a pair of inturned flanges 17 and 18, respectively, defining a slot 19 therebetween. These inturned flanges 17 and 18 are received in longitudinal guide tracks 20 and 21 formed in the sides 22 and 23, respectively, in the body portion or handle 24 of the scalpel 10, thereby slidably mounting the guard 11 on the handle 24.
- Astop means is provided to limit the sliding movement of the guard 11.
- the side wall 14 of the guard 11 has a closed longitudinal slot 25 formed therein; and a pin 26 passes through the closed longitudinal slot 25 and is secured within a transverse bore 27 in the handle 24, thereby restricting the longitudinal sliding movementof the guard 11 and defining its alternate advanced and retracted positions, respectively.
- the pin 26 is a split sleeve as shown more clearly in Fig. 8.
- a two-position resiliently-biased manually-manipulatable detent means 28 is provided between the guard 11 and the handle 24 of the scalpel 10. This detent means 28, which is manually releasable, positively locks the guard 11 in its selected position and precludes inadvertent or accidental movement thereof.
- the preferred detent means 28 includes a resilient-biased detent member29.
- the detent member29 is carried by the handle 24 and is disposed substantially within the (vertical) longitudinal midplane or center plane 30 thereof, as shown more clearly in Fig. 6, and about an axis which is substantially perpendic- ularto the longitudinal axis of the guard 11.
- the detent member 29 is backed up substantially by the material portion of the handle 24 --- the detent member 29 is not disposed laterally thereof --- and minimizes the extended outer contours of the guarded scalpel 10.
- the detent member 29 includes a stem 31, an intermediate collar 32, and an upwardly-projecting portion or button 33.
- the handle 24 has a bore 34 communicating with a counterbore 35 and a cross-cut 36, respectively.
- Stem 31 of the detent member29 is slidably guided in the bore 34, so that the detent member 29 has a smooth inward movement without being cocked.
- a coil spring 37 is within the counterbore 35 and bears against the collar 32, thereby constantly urging the detent member 29 outwardly (upwardly) of the handle 24; and the collar 32 is slidably received within the cross-cut 36.
- the button 33 passes through an opening 38 in a retaining plate 39, and the retaining plate 39 is secured to the handle 24 by a screw 40 received in a tapped recess 41.
- a pair of longitudinally- spaced detent pockets 42 and 43 are formed in the inturned flanges 17 and 18 on the guard 11 to receive, alternately, the collar 32 on the detent member 29.
- the collar 32 clears its respective detent pocket 42 or 43 and allows the guard 11 to be slidably moved along the handle 24 and into its alternate position.
- the guard is advanced (forwardly) on the handle 24 to cover the blade 12 and prevent accidental contact with the blade 12 during transfer of the scalpel 10; and when the collar 32 is received in detent pocket43, the guard 11 is retracted (rearwardly) on the handle 24 to expose the blade 12 during an operating procedure.
- a cap 44 may be provided (as shown more clearly in Fig. 10).
- an alternate embodiment of the detent member 29 comprises a detent ball 45 resiliently biased by a spring 46.
- the spring 46 is in a blind bore 47, and the detent ball 45 is slidably guided in a counterbore 48.
- the bottom wall 15 of the guard 11 has a cut-out49 extending upwardly into the respective side walls 13 and 14 of the guard 11.
- This cut-out 49 is intended to receive either the thumb or forefinger of the recipient and thereby facilitate manual movement of the guard 11.
- the surgeon or nurse
- the orientation of the scalpel 10 that is, whether the cutting edge of the blade 12 is pointed “up” or “down”
- Figs. 13A-D the blade 12 is "down".
- the surgeon grasps the scalpel 10, such that the surgeon's thumb is on the upwardly-projecting button 33 on the detent member 29, and the surgeon's forefinger is in the cut-out 49.
- the button 33 is depressed, and the guard 11 is moved rearwardly to expose the blade 12.
- the button 33 is again depressed by the surgeon's thumb while the surgeon's forefinger is in the cut-out 49 (Fig. 13C) and, thereafter, the guard 11 is moved forwardly (Fig. 13D) to cover the blade 11.
- Figs. 14A-D a similar sequence is followed There, however, the cutting edge of the blade is "up”, and the surgeon's thumb is in the cut-out 49 while his or her forefinger is on the button 33.
- the features and advantages of the present invention are as follows: When the scalpel 10 is passed from the nurse to the surgeon (forexample) the surgeon knows intuitively from the "feel" of the scalpel 10 that the guard 11 is "on", covering the blade 12, and that the edge on the blade 12 is either “up” or “down”. The surgeon may retract the guard 11, easily and conveniently, using only one hand and without taking his (or her) eyes away from the patient or the instrumentation in the operating room.
- the detent means is within the "meaty" portion of the handle 24, that is, within the (vertical) longitudinal center plane 30 thereof, thereby taking maximum advantage of the handle material and, conversely, facilitating a strong detent action.
- This strong detent action between the guard 11 and the handle 24 provides not only a tactile indication, but also an auditory "click” that the guard 11 has been moved into its alternate desired position, that is, retracted to expose the blade 12 or advanced to cover the blade 12.
- the detented action is “solid” and prevents inadvertent or accidental movement of the guard 11 during a surgical procedure or in transferring the scalpel 10.
- a stop means between the guard 11 and the handle 24, including the closed slot 25 and the transverse pin 26, is independent of the detent means itself; this improves the reliability of the instrument.
- the guard 11 closely straddles the handle 24 and maintains the desired "slim line” appearance; and the added weight of the guard 11 is relatively insignificant and does not detract from the overall balance, feel and handling of the lightweight scalpel 10.
- the components of the overall assembly of the scalpel 10 may be manufactured conveniently and economically out of readily available materials, and the scalpel may be sterilized in an autoclave for repeated usage.
- the blade 12 has a closed slot 50 which fits over a laterally-extending longitudinal rib 51 formed on the forward end 52 of the handle 24, thereby removably mounting the blade 12 to the scalpel 10.
- the forward end 52 of the scalpel body 10 has a shoulder 53 substantially at right angles thereto.
- This shoulder 53 corresponds to an angled shoulder 54 on a conventional non-guarded scalpel S as shown in Fig. 17.
- the angled shoulder 54 cooperates with a conventional blade (not shown) having a rearward angled portion complementary to the angled shoulder 54.
- the improved blade 12 of the present invention has a rearward shoulder or edge 54 which is substantially at right angles thereto (as shown more clearly in Fig. 16) and complementary to the right angle shoulder 53 on the scalpel 10.
- the improved blade 12 fits snugly against the shoulder 53 when the blade 12 is removably mounted on the scalpel 10.
- the conventional scalpel blades (notshown) cannot be fitted to the improved scalpel 10 of the present invention.
- the improved blade 12 of the present invention can be fitted to a conventional non-guarded scalpel S, if desired, as well as to the improved scalpel 10 of the present invention.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US825556 | 1992-01-24 | ||
US07/825,556 US5250063A (en) | 1992-01-24 | 1992-01-24 | Surgical scalpel with retractable guard |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0555196A1 true EP0555196A1 (de) | 1993-08-11 |
Family
ID=25244308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93870010A Withdrawn EP0555196A1 (de) | 1992-01-24 | 1993-01-21 | Chirurgisches Skalpel mit einziehbarem Messerschutz |
Country Status (7)
Country | Link |
---|---|
US (2) | US5250063A (de) |
EP (1) | EP0555196A1 (de) |
JP (1) | JP2500090B2 (de) |
AU (1) | AU651543B2 (de) |
BR (1) | BR9300258A (de) |
CA (1) | CA2087940A1 (de) |
MX (1) | MX9300346A (de) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0653190A1 (de) * | 1993-11-12 | 1995-05-17 | Michael R. Abidin | Geschütztes Skalpell |
EP0727186A2 (de) * | 1995-01-27 | 1996-08-21 | Becton, Dickinson and Company | Chirugisches Skalpell mit einer Schutzhülle und mit Klingenauszieher |
US5599351A (en) * | 1993-12-08 | 1997-02-04 | Habley Medical Technology Corporation | Scalpels having permanent blade retraction |
EP0769276A1 (de) * | 1995-10-19 | 1997-04-23 | Becton, Dickinson and Company | Chirurgisches reinigbares Skalpell mit Schutzhülle und Klingenauszeiher |
US5908432A (en) * | 1998-03-27 | 1999-06-01 | Pan; Huai C. | Scalpel with retractable blade |
KR20030018288A (ko) * | 2001-08-27 | 2003-03-06 | 신현달 | 칼날 교체식 안전 수술 칼 세트. |
WO2004026151A1 (en) * | 2002-09-20 | 2004-04-01 | Occupational & Medical Innovations Ltd | Surgical scalpel with retractable guard |
AU2003258377B2 (en) * | 2002-09-20 | 2006-12-21 | Southmedic Incorporated | Surgical scalpel with retractable guard |
US7387637B2 (en) | 2003-04-22 | 2008-06-17 | Becton, Dickinson And Company | Surgical knife safety handle |
US7909840B2 (en) | 2004-10-20 | 2011-03-22 | Beaver-Visitec International (Us), Inc. | Surgical knife safety handle having user operable lock |
US8256330B2 (en) | 2008-11-20 | 2012-09-04 | Alcon Research, Ltd. | Guarded surgical knife handle |
US8256331B2 (en) | 2008-11-20 | 2012-09-04 | Alcon Research, Ltd. | Guarded surgical knife handle |
US8464430B2 (en) | 2008-02-07 | 2013-06-18 | Beaver-Visitec International (Us), Inc. | Retractable safety knife |
USD685092S1 (en) | 2003-04-22 | 2013-06-25 | Beaver-Visitec International (Us), Inc. | Surgical knife safety handle |
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US5309641A (en) * | 1991-12-18 | 1994-05-10 | American Safety Razor Company | Disposable surgical scalpel with safety guard |
US5496340A (en) | 1992-01-24 | 1996-03-05 | Leonard Bloom | Combination guarded surgical scalpel and blade stripper |
US5531754A (en) * | 1992-07-24 | 1996-07-02 | Shackelford, Sr.; Howard L. | Retractable surgical blade device and associated method |
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EP0653190A1 (de) * | 1993-11-12 | 1995-05-17 | Michael R. Abidin | Geschütztes Skalpell |
US5599351A (en) * | 1993-12-08 | 1997-02-04 | Habley Medical Technology Corporation | Scalpels having permanent blade retraction |
EP0727186A2 (de) * | 1995-01-27 | 1996-08-21 | Becton, Dickinson and Company | Chirugisches Skalpell mit einer Schutzhülle und mit Klingenauszieher |
EP0727186A3 (de) * | 1995-01-27 | 1999-06-30 | Becton, Dickinson and Company | Chirugisches Skalpell mit einer Schutzhülle und mit Klingenauszieher |
EP0769276A1 (de) * | 1995-10-19 | 1997-04-23 | Becton, Dickinson and Company | Chirurgisches reinigbares Skalpell mit Schutzhülle und Klingenauszeiher |
US5908432A (en) * | 1998-03-27 | 1999-06-01 | Pan; Huai C. | Scalpel with retractable blade |
KR20030018288A (ko) * | 2001-08-27 | 2003-03-06 | 신현달 | 칼날 교체식 안전 수술 칼 세트. |
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JP2005538781A (ja) * | 2002-09-20 | 2005-12-22 | オキュペイショナル・アンド・メディカル・イノベイションズ・リミテッド | 引込み可能ガード付き外科用メス |
AU2003258377B2 (en) * | 2002-09-20 | 2006-12-21 | Southmedic Incorporated | Surgical scalpel with retractable guard |
JP2010110630A (ja) * | 2002-09-20 | 2010-05-20 | Occupational & Medical Innovations Ltd | 引込み可能ガード付き外科用メス |
US7905894B2 (en) | 2003-04-22 | 2011-03-15 | Beaver-Visitec International (Us), Inc. | Surgical knife safety handle |
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US7387637B2 (en) | 2003-04-22 | 2008-06-17 | Becton, Dickinson And Company | Surgical knife safety handle |
US10258367B2 (en) | 2003-04-22 | 2019-04-16 | Beaver-Visitec International (Us), Inc. | Surgical knife safety handle |
US10271872B2 (en) | 2003-04-22 | 2019-04-30 | Beaver-Visitec International (Us), Inc. | Surgical knife safety handle |
US7901422B2 (en) | 2003-04-22 | 2011-03-08 | Beaver-Visitec International (Us), Inc. | Surgical knife safety handle |
USD685091S1 (en) | 2003-04-22 | 2013-06-25 | Beaver-Vistec International (US), Inc. | Surgical knife safety handle guard |
US11779368B2 (en) | 2004-10-20 | 2023-10-10 | Beaver-Visitec International (Us), Inc. | Surgical knife safety handle having user operable lock |
US11109886B2 (en) | 2004-10-20 | 2021-09-07 | Beaver-Visitec International (Us), Inc. | Surgical knife safety handle having user operable lock |
US8814893B2 (en) | 2004-10-20 | 2014-08-26 | Beaver-Visitec International (Us), Inc. | Surgical knife safety handle having user operable lock |
US10357279B2 (en) | 2004-10-20 | 2019-07-23 | Beaver-Visitec International (Us), Inc. | Surgical knife safety handle having user operable lock |
US9480495B2 (en) | 2004-10-20 | 2016-11-01 | Beaver-Visitec International (Us), Inc. | Surgical knife safety handle having user operable lock |
US7909840B2 (en) | 2004-10-20 | 2011-03-22 | Beaver-Visitec International (Us), Inc. | Surgical knife safety handle having user operable lock |
US8464430B2 (en) | 2008-02-07 | 2013-06-18 | Beaver-Visitec International (Us), Inc. | Retractable safety knife |
US9044265B2 (en) | 2008-02-07 | 2015-06-02 | Beaver-Visitec International (Us), Inc. | Retractable safety knife |
US8256331B2 (en) | 2008-11-20 | 2012-09-04 | Alcon Research, Ltd. | Guarded surgical knife handle |
US8992554B2 (en) | 2008-11-20 | 2015-03-31 | Alcon Research, Ltd. | Guarded surgical knife handle |
US8764781B2 (en) | 2008-11-20 | 2014-07-01 | Alcon Research, Ltd. | Guarded surgical knife handle |
US8256330B2 (en) | 2008-11-20 | 2012-09-04 | Alcon Research, Ltd. | Guarded surgical knife handle |
Also Published As
Publication number | Publication date |
---|---|
MX9300346A (es) | 1993-07-01 |
US5275606A (en) | 1994-01-04 |
US5250063A (en) | 1993-10-05 |
BR9300258A (pt) | 1993-07-27 |
CA2087940A1 (en) | 1993-07-25 |
JPH06133979A (ja) | 1994-05-17 |
JP2500090B2 (ja) | 1996-05-29 |
AU3199993A (en) | 1993-07-29 |
AU651543B2 (en) | 1994-07-21 |
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